This HTML5 document contains 52 embedded RDF statements represented using HTML+Microdata notation.

The embedded RDF content will be recognized by any processor of HTML5 Microdata.

Namespace Prefixes

PrefixIRI
dctermshttp://purl.org/dc/terms/
n14http://localhost/temp/predkladatel/
n16http://linked.opendata.cz/resource/domain/vavai/vysledek/RIV%2F60461373%3A22340%2F01%3A00004827%21RIV%2F2004%2FMSM%2F223404%2FN/
n8http://linked.opendata.cz/resource/domain/vavai/riv/tvurce/
n9http://linked.opendata.cz/ontology/domain/vavai/
n11http://linked.opendata.cz/resource/domain/vavai/zamer/
shttp://schema.org/
n4http://linked.opendata.cz/ontology/domain/vavai/riv/
skoshttp://www.w3.org/2004/02/skos/core#
n2http://linked.opendata.cz/resource/domain/vavai/vysledek/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
n6http://linked.opendata.cz/ontology/domain/vavai/riv/klicoveSlovo/
n13http://linked.opendata.cz/ontology/domain/vavai/riv/duvernostUdaju/
xsdhhttp://www.w3.org/2001/XMLSchema#
n15http://linked.opendata.cz/ontology/domain/vavai/riv/aktivita/
n7http://linked.opendata.cz/ontology/domain/vavai/riv/jazykVysledku/
n18http://linked.opendata.cz/ontology/domain/vavai/riv/obor/
n17http://linked.opendata.cz/ontology/domain/vavai/riv/druhVysledku/
n5http://reference.data.gov.uk/id/gregorian-year/

Statements

Subject Item
n2:RIV%2F60461373%3A22340%2F01%3A00004827%21RIV%2F2004%2FMSM%2F223404%2FN
rdf:type
n9:Vysledek skos:Concept
dcterms:description
4-pyridylmalondialdehyde (1) and phenylmalondialdehyde (2) and their potassium salts were investigated by 1H and 13C NMR, Raman and UV spectroscopy. Three forms of 1 and two forms of 2 were found in water or DMSO solution depending on the pH by means of UV, 1H and 13C NMR spectroscopy. For 2 the chemical exchange between two cis-enol tautomers was observed, while the structure of 1 in the solution is zwitterionic. From the UV measurements and potentiometric titrations pK1=1.9 # 0.1, pK2=7.2 # 0,1 for 1and pK=4.0 # 0.2 for 2 were evaluated. For 1 the Raman spectra of solid state and DMSO solution are very similar, while for 2 they differ significantly. Butylamine was used as a model compound for the study of the potential interaction of malondialdehy de with compounds containing amino groups. The effect of addition of butylamine on the spectra of both malondialdehyde derivatives were indistinguishable from that corresponding to protonation-deprotonation processes. 4-pyridylmalondialdehyde (1) and phenylmalondialdehyde (2) and their potassium salts were investigated by 1H and 13C NMR, Raman and UV spectroscopy. Three forms of 1 and two forms of 2 were found in water or DMSO solution depending on the pH by means of UV, 1H and 13C NMR spectroscopy. For 2 the chemical exchange between two cis-enol tautomers was observed, while the structure of 1 in the solution is zwitterionic. From the UV measurements and potentiometric titrations pK1=1.9 # 0.1, pK2=7.2 # 0,1 for 1and pK=4.0 # 0.2 for 2 were evaluated. For 1 the Raman spectra of solid state and DMSO solution are very similar, while for 2 they differ significantly. Butylamine was used as a model compound for the study of the potential interaction of malondialdehy de with compounds containing amino groups. The effect of addition of butylamine on the spectra of both malondialdehyde derivatives were indistinguishable from that corresponding to protonation-deprotonation processes.
dcterms:title
Spectroscopic study of phenyl- and 4-pyridylmalondialdehydes Spectroscopic study of phenyl- and 4-pyridylmalondialdehydes
skos:prefLabel
Spectroscopic study of phenyl- and 4-pyridylmalondialdehydes Spectroscopic study of phenyl- and 4-pyridylmalondialdehydes
skos:notation
RIV/60461373:22340/01:00004827!RIV/2004/MSM/223404/N
n4:strany
497;501
n4:aktivita
n15:Z
n4:aktivity
Z(MSM 223400008)
n4:cisloPeriodika
5
n4:dodaniDat
n5:2004
n4:domaciTvurceVysledku
n8:8169985 n8:3486222 n8:2796546 n8:7290659 n8:9327126 n8:6625657
n4:druhVysledku
n17:J
n4:duvernostUdaju
n13:S
n4:entitaPredkladatele
n16:predkladatel
n4:idSjednocenehoVysledku
696679
n4:idVysledku
RIV/60461373:22340/01:00004827
n4:jazykVysledku
n7:eng
n4:klicovaSlova
4-pyridylmalondialdehyde; phenylmalondialdehyde; UV spectroscopy; NMR spectroscopy; Raman spectroscopy
n4:klicoveSlovo
n6:phenylmalondialdehyde n6:4-pyridylmalondialdehyde n6:NMR%20spectroscopy n6:UV%20spectroscopy n6:Raman%20spectroscopy
n4:kodStatuVydavatele
NL - Nizozemsko
n4:kontrolniKodProRIV
[A95F047E04C1]
n4:nazevZdroje
Journal of Molecular Structure
n4:obor
n18:CB
n4:pocetDomacichTvurcuVysledku
6
n4:pocetTvurcuVysledku
6
n4:pocetUcastnikuAkce
0
n4:pocetZahranicnichUcastnikuAkce
0
n4:rokUplatneniVysledku
n5:2001
n4:svazekPeriodika
563-564
n4:tvurceVysledku
Fähnrich, Jan Tkadlecová, Marcela Volka, Karel Matějka, Pavel Havlíček, Jaroslav Král, Vladimír
n4:zamer
n11:MSM%20223400008
s:issn
0022-2860
s:numberOfPages
5
n14:organizacniJednotka
22340